# How far is Colombo from Colombo?

The distance between Colombo (Ratmalana Airport) and Colombo (Bandaranaike International Airport) is 25 miles / 40 kilometers / 21 nautical miles.

The driving distance from Colombo (RML) to Colombo (CMB) is 29 miles / 47 kilometers, and travel time by car is about 49 minutes.

25
Miles
40
Kilometers
21
Nautical miles

## Distance from Colombo to Colombo

There are several ways to calculate the distance from Colombo to Colombo. Here are two standard methods:

Vincenty's formula (applied above)
• 24.654 miles
• 39.677 kilometers
• 21.424 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
• 24.789 miles
• 39.894 kilometers
• 21.541 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## How long does it take to fly from Colombo to Colombo?

The estimated flight time from Ratmalana Airport to Bandaranaike International Airport is 32 minutes.

## Flight carbon footprint between Ratmalana Airport (RML) and Bandaranaike International Airport (CMB)

On average, flying from Colombo to Colombo generates about 29 kg of CO2 per passenger, and 29 kilograms equals 63 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Colombo to Colombo

See the map of the shortest flight path between Ratmalana Airport (RML) and Bandaranaike International Airport (CMB).

## Airport information

Origin Ratmalana Airport
City: Colombo
Country: Sri Lanka
IATA Code: RML
ICAO Code: VCCC
Coordinates: 6°49′19″N, 79°53′10″E
Destination Bandaranaike International Airport
City: Colombo
Country: Sri Lanka
IATA Code: CMB
ICAO Code: VCBI
Coordinates: 7°10′50″N, 79°53′2″E